491131362 has 8 divisors (see below), whose sum is σ = 982262736. Its totient is φ = 163710452.

The previous prime is 491131301. The next prime is 491131379. The reversal of 491131362 is 263131194.

It is a sphenic number, since it is the product of 3 distinct primes.

491131362 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40927608 + ... + 40927619.

It is an arithmetic number, because the mean of its divisors is an integer number (122782842).

Almost surely, 2^491131362 is an apocalyptic number.

491131362 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491131362 is a wasteful number, since it uses less digits than its factorization.

491131362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81855232.

The product of its digits is 3888, while the sum is 30.

The square root of 491131362 is about 22161.4837499658. The cubic root of 491131362 is about 788.9798089998.

The spelling of 491131362 in words is "four hundred ninety-one million, one hundred thirty-one thousand, three hundred sixty-two".